Pentax W90 vs Sony A550

Let's look more closely at the Pentax W90 versus Sony A550, former is a Waterproof while the latter is a Entry-Level DSLR by rivals Pentax and Sony. The image resolution of the W90 (12MP) and the A550 (14MP) is relatively close but the W90 (1/2.3") and A550 (APS-C) possess totally different sensor size.

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The W90 was launched 3 months after the A550 and they are of a similar age. Each of these cameras come with different body type with the Pentax W90 being a Compact camera and the Sony A550 being a Compact SLR camera.

Before diving in to a in depth comparison, below is a simple view of how the W90 scores vs the A550 when considering portability, imaging, features and an overall score.

Following is a preview of the gallery photos for Pentax Optio W90 & Sony Alpha DSLR-A550. The complete galleries are viewable at Pentax W90 Gallery & Sony A550 Gallery.

In case you're planning to carry around your camera often, you need to factor in its weight and proportions. The Pentax W90 enjoys exterior measurements of 108mm x 59mm x 25mm (4.3" x 2.3" x 1.0") having a weight of 164 grams (0.36 lbs) and the Sony A550 has measurements of 137mm x 104mm x 84mm (5.4" x 4.1" x 3.3") and a weight of 632 grams (1.39 lbs).

Take a look at the Pentax W90 versus Sony A550 in our brand new Camera & Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will differ depending on the lens you choose at that moment. Here is the front view physical size comparison of the W90 versus the A550.

Taking into consideration dimensions and weight, the portability grade of the W90 and A550 is 94 and 63 respectively.

Sometimes, it can be difficult to envision the contrast in sensor sizes only by looking through specifications. The pic underneath might provide you a better sense of the sensor measurements in the W90 and A550.

To sum up, the 2 cameras posses different megapixels and different sensor sizes. The W90 because of its smaller sensor will make shooting shallower DOF trickier and the Sony A550 will render more detail utilizing its extra 2MP. Higher resolution will also let you crop shots somewhat more aggressively.